21585824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2773

約数の個数: 48

約数和(自身を含む): 48192480

約数和(自身を除く): 26606656

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2731, 3952, 5462, 7904, 10924, 21848, 35503, 43696, 51889, 71006, 87392, 103778, 142012, 207556, 284024, 415112, 568048, 674557, 830224, 1136096, 1349114, 1660448, 2698228, 5396456, 10792912, 21585824]

約数ペア:

[(1, 21585824), (2, 10792912), (4, 5396456), (8, 2698228), (13, 1660448), (16, 1349114), (19, 1136096), (26, 830224), (32, 674557), (38, 568048), (52, 415112), (76, 284024), (104, 207556), (152, 142012), (208, 103778), (247, 87392), (304, 71006), (416, 51889), (494, 43696), (608, 35503), (988, 21848), (1976, 10924), (2731, 7904), (3952, 5462)]